Uniden R4

Name: Uniden R4
Brand: Uniden
SKU: R4
Price: 233.99 USD
Availability: InStock

233.99 389.99

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Long-range DSP
360° coverage
GPS lockouts
Quieter filtering
Long-range DSP
360° coverage
GPS lockouts
Quieter filtering

Long-range DSP
360° coverage
GPS lockouts
Quieter filtering
Long-range DSP
360° coverage
GPS lockouts
Quieter filtering

Long-range DSP
360° coverage
GPS lockouts
Quieter filtering

Long-range DSP
360° coverage
GPS lockouts
Quieter filtering

Hear Ka sooner. Hear junk less.

Uniden R-series detectors pair dual antennas with DSP filtering so distant radar shows up with time to ease off, while GPS lockouts keep known false-alert stretches quieter.

Get long-range alerts

Dual-antenna reach

Front and rear antennas on flagship R-series units watch both directions so a hit behind you is still a hit you can act on.

DSP that stays quiet

Advanced DSP filtering plus GPS accuracy trims the beeps that used to follow every automatic door on the commute.

Wireless on selected models

Wi-Fi or Bluetooth updates on selected SKUs keep firmware current without a cable on the passenger seat.

Every control you reach for at highway speed

1

Color OLED

Band, frequency, and speed sit on one screen so a glance tells you what is talking and how fast you are moving.

2

MUTE / DIM

One key quiets a burst or dims the display when night traffic is already loud enough.

<h2>Every control you reach for at highway speed</h2>

1

2

3

4

3

Rear housing

The rear-facing antenna completes 360° coverage on flagship R-series units.

4

MARK key

Mark a known false-alert stretch so GPS lockouts can keep that same beep from returning.

Earlier Ka. Fewer false beeps.

Drivers praise earlier alerts and quieter GPS lockouts

4.5

/ 5

Honest notes from mixed highway miles

Ka showed up with time

I ran a cheap single-antenna unit for years on I-80. Switched to an R7 about four months ago. Ka hits now pop while I still have a long sightline, and the color screen makes band and frequency obvious at 70. Still chirps at one shopping plaza I have not marked yet. I ran a cheap single-antenna unit for years on I-80. Switched to an R7 about four months ago. Ka hits now pop while I still have a long sightline, and the color screen makes band and frequency obvious at 70.... I ran a cheap single-antenna unit for years on I-80. Switched to an R7 about four months ago. Ka hits now pop while I still have a long sightline, and the color screen makes band and frequency obvious at 70. Still chirps at one shopping plaza I have not marked yet.

Rachel S.

GPS lockouts finally stuck

Commute is mixed highway and strip malls. After a couple weeks of MARK on the same automatic doors, those stretches stay quiet. Dual antennas caught a rear K burst I would have missed. Voice alerts are a little chatty until you settle the volume. Commute is mixed highway and strip malls. After a couple weeks of MARK on the same automatic doors, those stretches stay quiet. Dual antennas caught a rear K burst I would have missed. Voice alerts are a little chatty until... Commute is mixed highway and strip malls. After a couple weeks of MARK on the same automatic doors, those stretches stay quiet. Dual antennas caught a rear K burst I would have missed. Voice alerts are a little chatty until you settle the volume.

Jared S.

Screen I can read at night

Night runs on US-101. OLED band arrows and frequency are easier than the old three-digit LED I had. Range feels longer on Ka. Wish the windshield mount sat a hair lower, but the detector itself is the one I keep powered every drive. Night runs on US-101. OLED band arrows and frequency are easier than the old three-digit LED I had. Range feels longer on Ka. Wish the windshield mount sat a hair lower, but the detector itself is the one I keep... Night runs on US-101. OLED band arrows and frequency are easier than the old three-digit LED I had. Range feels longer on Ka. Wish the windshield mount sat a hair lower, but the detector itself is the one I keep powered every drive.

Ross D.

Quieter than my last detector

Had a no-GPS unit that screamed at every storefront. This Uniden with GPS filtering is the first one I can leave unmuted in town. Highway Ka still comes in early. Factory-certified R8 I bought looks and acts like new after two months. Had a no-GPS unit that screamed at every storefront. This Uniden with GPS filtering is the first one I can leave unmuted in town. Highway Ka still comes in early. Factory-certified R8 I bought looks and acts like new after... Had a no-GPS unit that screamed at every storefront. This Uniden with GPS filtering is the first one I can leave unmuted in town. Highway Ka still comes in early. Factory-certified R8 I bought looks and acts like new after two months.

Leanne S.

360° on the interstate

Flagship R-series with front and rear antennas. A laser ping from behind on a two-lane finally made sense of the extra housing. DSP keeps most junk down. Check your local laws—mine is legal, and I still verify before a trip out of state. Flagship R-series with front and rear antennas. A laser ping from behind on a two-lane finally made sense of the extra housing. DSP keeps most junk down. Check your local laws—mine is legal, and I still verify before a trip... Flagship R-series with front and rear antennas. A laser ping from behind on a two-lane finally made sense of the extra housing. DSP keeps most junk down. Check your local laws—mine is legal, and I still verify before a trip out of state.

Peter G.

Mount it, power it, then confirm the law

These are windshield radar detectors. A typical mount and 12V lead go in the box. GPS and wireless features appear on selected SKUs. Use and ownership rules vary by location.